000			00421nam a2200169Ia 4500
008			990618s1970||||xx |||||||||||||| ||eng||
041			_aeng
082			_a621.02 _bGLA
100			_aGladstone, John _eED
245		0	_aMechanical Estimating Guidebook
250			_a4th
260			_aNew York : _bMcGraw-Hill, _cc1970
300			_aX, 308 p. _b: ill
504			_aNN
650			_aMechanics Guidebook
942			_cGUI
999			_c402984 _d402984